diff --git a/Chart.lock b/Chart.lock
index b766d13..e11a929 100644
--- a/Chart.lock
+++ b/Chart.lock
@@ -4,6 +4,6 @@ dependencies:
   version: 12.3.2
 - name: redis
   repository: https://charts.bitnami.com/bitnami
-  version: 17.10.1
-digest: sha256:a39dbe6f8db7fe340ffd17543825e463f2c4a26732215545aa68a8e4f9e3ff86
-generated: "2023-04-25T13:46:46.169329507Z"
+  version: 18.0.0
+digest: sha256:1b95c32f8b5247854dbac78d694223967261e974935f6c03ff0c421100340fd7
+generated: "2023-08-26T13:30:53.32140104Z"
diff --git a/Chart.yaml b/Chart.yaml
index 558a356..b6eb494 100644
--- a/Chart.yaml
+++ b/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 appVersion: v1.80.0
 description: The reference implementation for a Matrix.org chat server
 name: synapse
-version: 0.22.0
+version: 0.22.1
 type: application
 keywords:
   - synapse
@@ -21,7 +21,7 @@ dependencies:
     condition: postgresql.enabled
   - name: redis
     repository: https://charts.bitnami.com/bitnami
-    version: ~17.10.0
+    version: ~18.0.0
     condition: redis.enabled
 maintainers:
   - name: Gavin Mogan